.nav-left {
    width: 160px;
    min-height: 650px;
    border: 1px #ececec solid;
    border-top: 0;
    background: #fff;
    dl {
        width: 100%;
        dt, dd {
            width: 100%;
        }
        dt {
            width: 100%;
            height: 48px;
            line-height: 48px;
            text-align: center;
            font-size: 18px;
            color: #fff;
            background: url("../../../img/header/menu-leftbg.png") no-repeat 0 0;
            background-size: 100% 100%;
            position: relative;
            i.sanjiao {
                display: inline-block;
                width: 12px;
                height: 6px;
                position: absolute;
                left: 50%;
                bottom: -6px;
                margin-left: -6px;
                background: url("../../../img/common/red-sanjiao.png") no-repeat 0 0;
            }
        }
        dd {
            width: 100%;
            padding: 25px 0;
            div{
                overflow: hidden;
            }
            a {
                display: block;
                height: 18px;
                line-height: 18px;
                font-size: 14px;
                color: #333;
                padding-left: 50px;
                border-left: 3px #fff solid;
                margin: 8px 0;
                overflow: hidden;
                background: url("../../../img/header/left-icon.png") no-repeat 20px 0;
                &.active, &:hover {
                    background-position: 20px -214px;
                    border-color: #c4151c;
                    color: #c4151c;
                }
                &.ahome {
                    background: url('../../../img/header/icon_01.png') no-repeat 20px 0px;
                }
                &.a2 {
                    background-position: 20px -18px;
                }
                &.a3 {
                    background-position: 20px -36px;
                }
                &.a4 {
                    background-position: 20px -54px;
                }
                &.a5 {
                    background-position: 20px -72px;
                }
                &.a6 {
                    background-position: 20px -90px;
                }
                &.a7 {
                    background-position: 20px -108px;
                }
                &.a8 {
                    background-position: 20px -126px;
                }
                &.a9 {
                    background-position: 20px -144px;
                }
                &.a10 {
                    background-position: 20px -162px;
                }
                &.a11 {
                    background-position: 20px -178px;
                }
                &.a12 {
                    background-position: 20px -196px;
                }
                &.a13 {
                    background: url('../../../img/header/icon_03.png') no-repeat 20px 0px;
                }
                &.a14 {
                    background: url('../../../img/header/icon_07.png') no-repeat 20px 0px;
                }
                &.a15 {
                    background: url('../../../img/header/icon_10.png') no-repeat 20px 0px;
                }
                &.a16 {
                    background: url('../../../img/header/icon_12.png') no-repeat 20px 0px;
                }
                &.a17 {
                    background: url('../../../img/header/icon_14.png') no-repeat 20px 0px;
                }
                &.a18 {
                    background: url('../../../img/header/icon_17.png') no-repeat 20px 0px;
                }
                &.a2.active,&.a2:hover {
                    background-position: 20px -232px;
                }
                &.a3.active,&.a3:hover {
                    background-position: 20px -250px;
                }
                &.a4.active,&.a4:hover {
                    background-position: 20px -268px;
                }
                &.a5.active,&.a5:hover {
                    background-position: 20px -286px;
                }
                &.a6.active,&.a6:hover {
                    background-position: 20px -304px;
                }
                &.a7.active,&.a7:hover {
                    background-position: 20px -322px;
                }
                &.a8.active,&.a8:hover {
                    background-position: 20px -340px;
                }
                &.a9.active,&.a9:hover {
                    background-position: 20px -358px;
                }
                &.a10.active,&.a10:hover {
                    background-position: 20px -376px;
                }
                &.a11.active,&.a11:hover {
                    background-position: 20px -392px;
                }
                &.a12.active,&.a12:hover {
                    background-position: 20px -410px;
                }
                &.a13.active,&.a13:hover {
                    background-position: 20px -18px;
                }
                &.a14.active,&.a14:hover {
                    background-position: 20px -18px;
                }
                &.a15.active,&.a15:hover {
                    background-position: 20px -18px;
                }
                &.a16.active,&.a16:hover {
                    background-position: 20px -18px;
                }
                &.a17.active,&.a17:hover {
                    background-position: 20px -18px;
                }
                &.a18.active,&.a18:hover {
                    background-position: 20px -18px;
                }
                &.ahome.active,&.ahome:hover {
                    background-position: 20px -18px;
                }
            }
            .sub {
                overflow: hidden;
                a{
                    display: inline-block;
                    background: none;
                    border-color:#fff
                }
            }
        }
    }
}